dataMgr: introduce whHacker module

Introduce whHacker module to support the new version of data.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
dataMgr:importerParser: replace WenhuaImport with WenhuaHackImporter

Wenhua is not allowed to download data any longer, so change to support
WenhuaHackImporter.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
dataMgr:whHacker: stop appending on the duplicate record

Stop appending if found the duplicate record.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>